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connects all field devices to the CPU and acts as the interface between them. In fixed PLCs, input/output arrangements are integrated, while modular types use external I/O modules that plug into the PLC.
connects all field devices to the CPU and acts as the interface between them. In fixed PLCs, input/output arrangements are integrated, while modular types use external I/O modules that plug into the PLC.
input/output (I/O) section
